arch/sh/kernel/syscalls/syscallhdr.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 in="$1"
   5 out="$2"
   6 my_abis=`echo "($3)" | tr ',' '|'`
   7 prefix="$4"
   8 offset="$5"
   9
  10 fileguard=_UAPI_ASM_SH_`basename "$out" | sed \
  11         -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
  12         -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
  13 grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
  14         printf "#ifndef %s\n" "${fileguard}"
  15         printf "#define %s\n" "${fileguard}"
  16         printf "\n"
  17
  18         nxt=0
  19         while read nr abi name entry ; do
  20                 if [ -z "$offset" ]; then
  21                         printf "#define __NR_%s%s\t%s\n" \
  22                                 "${prefix}" "${name}" "${nr}"
  23                 else
  24                         printf "#define __NR_%s%s\t(%s + %s)\n" \
  25                                 "${prefix}" "${name}" "${offset}" "${nr}"
  26                 fi
  27                 nxt=$((nr+1))
  28         done
  29
  30         printf "\n"
  31         printf "#ifdef __KERNEL__\n"
  32         printf "#define __NR_syscalls\t%s\n" "${nxt}"
  33         printf "#endif\n"
  34         printf "\n"
  35         printf "#endif /* %s */\n" "${fileguard}"
  36 ) > "$out"